A 51-year-old male was admitted with significant weight loss and was observed to pass milky urine for over four months. Physical assessment: The patient did not have lower urinary tract symptoms, and no contact history of tuberculosis was observed. The patient was cachectic and had a body mass index of 20.2 kg/m2. Macroscopic assessment: Urine analysis demonstrated high levels of triglycerides and severe proteinuria. Please refer to the cover image for the results of endoscopic sclerotherapy (Image A) and cystoscopy (Image B).

What would be the probable diagnosis in this patient? *This case is from the Editorial team of Docplexus and is meant for educative purposes only. ##Disclaimer## The content provided on Docplexus is intended for educational purposes only. While we strive to ensure its accuracy, we make no warranties, explicit or implied, about the suitability, reliability, or…